205367913

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{54721}}^1$

素因数の和:54869

約数の個数: 16

約数和(自身を含む): 306443200

約数和(自身を除く): 101075287

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 54721, 164163, 492489, 1477467, 7606219, 22818657, 68455971, 205367913]

約数ペア:

[(1, 205367913), (3, 68455971), (9, 22818657), (27, 7606219), (139, 1477467), (417, 492489), (1251, 164163), (3753, 54721)]